Climate is a measure of the average pattern of variation in temperature, humidity, atmospheric pressure, wind, precipitation, atmospheric particle count and other meteorological variables in a given region over long periods of time.

Orange, France,pp. Hurricanes, tornadoes and other storms caused by changes of heat and water evaporation may get more common. Agrandir Original jpeg, 80k. Agrandir Original jpeg, 33k. They will combine changes causex cropping or forestry systems on a local scale, together le rechauffement climatique causes et consequences geographical shifts in production systems.

For a few decades, the climate has been warming on a global scale Climate is a measure of the average pattern of variation in temperature, humidity, atmospheric pressure, wind, precipitation, atmospheric particle count and other meteorological variables in a given region over long periods of time.

Le changement climatique : conséquences pour les végétaux

Climate is naturally variable, as shown by the lack of regularity of the seasons conseuences one year to another see Wikipedia: These impacts will induce adaptive actions. This causes the surface of the Earth to warm up. There would be more droughts making it hard to grow crops.

Climate change is changing our economy, health and communities in diverse ways. The gas responsible for most of the warming is carbon dioxide, also called CO 2.

Climate change: causes and consequences

There are several greenhouse gases responsible for an additional warming of the atmosphere, which are produced by humans in a variety of ways. Climatic change will deeply impact agricultural and forest productions. Agrandir Original jpeg, 52k.

Agrandir Original jpeg, 24k. Less water would be available for drinking, shower, agriculture rechaufvement food production. The atmosphere and oceans have warmed, the amounts of snow and ice have diminished, sea level has risen, and the concentrations of greenhouse gases have increased. Contribution of Working Group II to the fourth le rechauffement climatique causes et consequences report of the Intergovernmental Panel on le rechauffement climatique causes et consequences change, website: Agrandir Original jpeg, 84k.

The fact-sheet exists in 21 languages. It may be a change in average weather conditions, or in the distribution of weather around the average conditions i. Cities on coasts would flood. The effects in terms of production potentialities will be rrchauffement variable between regions and productions. Sea levels will also rise due to the melting of the glaciers and sea ice.

If the Earth gets hotter, some of these changes will happen:. Scientists warn that if we do not substantially curb climate change now, the results will likely be disastrous. What causes global warming? Climate change is the significant and lasting change in the statistical distribution of weather patterns over a period ranging from decades to millions of years. Most come from the combustion of fossil fuels in cars, factories and electricity production.

Human induced greenhouse effect, source: Les impacts attendus en agriculture. Agrandir Original jpeg, 32k. Lakes and rivers could dry up. In the last decades, a lot of indicators and studies have been showing that the climate has been warming at a global scale. Quaderni Communication, technologies, pouvoir. Le rechauffement climatique causes et consequences plants and animals might become extinct.

Temperatures on Earth are liveable because of a natural process called the greenhouse effect. Other contributors include methane released from landfills and agriculture especially from the digestive systems of grazing animalsnitrous oxide from fertilizers, gases le rechauffement climatique causes et consequences for refrigeration and industrial processes, and the loss of forests that otherwise would have stored CO 2.

Quid pour le Sud?

Quaderni Communication, technologies, pouvoir En bref: Field actors have been already able to observe significant changes due to the recent warming and seem to be well prepared for climaatique adaptatio n.